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      <a id="frac"></a>
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      <a id="IndexFrac" class="indexterm"></a>
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        <h2>
          <span class="refentrytitle">frac</span>
        </h2>
        <p>frac — 
      Returns the fractional part of a decimal number.
          </p>
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      <div class="refsect1">
        <a id="idp111133408"></a>
        <h2>Description</h2>
        <p>
      Returns the fractional part of <span class="emphasis"><em>x</em></span>.
    </p>
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      <div class="refsect1">
        <a id="idp111135040"></a>
        <h2>Syntax</h2>
        <pre class="synopsis"><span class="command"><strong>frac</strong></span>(x) (init-rate or control-rate args; also works at audio rate in Csound5)</pre>
        <p>
      where the argument within the parentheses may be an expression. Value converters perform arithmetic translation from units of one kind to units of another. The result can then be a term in a further expression.
    </p>
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      <div class="refsect1">
        <a id="idp111138064"></a>
        <h2>Examples</h2>
        <p>
      Here is an example of the frac opcode. It uses the file <a class="ulink" href="examples/frac.csd" target="_top"><em class="citetitle">frac.csd</em></a>.

      </p>
        <div class="example">
          <a id="idp111206368"></a>
          <p class="title">
            <strong>Example 324. Example of the frac opcode.</strong>
          </p>
          <div class="example-contents">
            <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
            <pre class="programlisting">
<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>
<span class="csdtag">&lt;CsOptions&gt;</span>
<span class="comment">; Select audio/midi flags here according to platform</span>
<span class="comment">; Audio out   Audio in</span>
-odac           -iadc    <span class="comment">;;;RT audio I/O</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o frac.wav -W ;;; for file output any platform</span>
<span class="csdtag">&lt;/CsOptions&gt;</span>
<span class="csdtag">&lt;CsInstruments&gt;</span>

<span class="comment">; Initialize the global variables.</span>
<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">kr</span> <span class="op">=</span> 4410
<span class="ohdr">ksmps</span> <span class="op">=</span> 10
<span class="ohdr">nchnls</span> <span class="op">=</span> 1

<span class="comment">; Instrument #1.</span>
<span class="oblock">instr</span> 1
  i1 <span class="op">=</span> 16 <span class="op">/</span> 5
  i2 <span class="op">=</span> <span class="opc">frac</span>(i1)

  <span class="opc">print</span> i2
<span class="oblock">endin</span>


<span class="csdtag">&lt;/CsInstruments&gt;</span>
<span class="csdtag">&lt;CsScore&gt;</span>

<span class="comment">; Play Instrument #1 for one second.</span>
<span class="stamnt">i</span> 1 0 1
<span class="stamnt">e</span>


<span class="csdtag">&lt;/CsScore&gt;</span>
<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span>
</pre>
          </div>
        </div>
        <p><br class="example-break" />

      Its output should include a line like this:
      </p>
        <pre class="screen">
instr 1:  i2 = 0.200
      </pre>
        <p>
    </p>
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        <a id="idp111211424"></a>
        <h2>See Also</h2>
        <p>
      <a class="link" href="abs.html" title="abs"><em class="citetitle">abs</em></a>,
      <a class="link" href="exp.html" title="exp"><em class="citetitle">exp</em></a>,
      <a class="link" href="int.html" title="int"><em class="citetitle">int</em></a>,
      <a class="link" href="log.html" title="log"><em class="citetitle">log</em></a>,
      <a class="link" href="log10.html" title="log10"><em class="citetitle">log10</em></a>,
      <a class="link" href="opi.html" title="i"><em class="citetitle">i</em></a>,
      <a class="link" href="sqrt.html" title="sqrt"><em class="citetitle">sqrt</em></a>
    </p>
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      <div class="refsect1">
        <a id="idp111219008"></a>
        <h2>Credits</h2>
        <p>Example written by Kevin Conder.</p>
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